Designed to endure
demanding environments


Doofor DF430F is a high-frequency rock drill
High-performance hydraulic rock drill

Doofor DF430F is a high-frequency rock drill made for general excavations, mining, quarrying, and bolting. Suitable drill steels are 25 mm and 28 mm extension and drifter steels. The rock drills are equipped with a separate side flushing box. Flushing can be done with air or water.

The DF430F rock drill is equipped with a female shank adapter (striker bar) FR22, FR25, FR28, FR32 or with a shank with female hexagonal 7/8″ x 108 mm adapter.

Technical Data
Percussion power5 kW
Percussion pressure120 bar
(oil flow)(45 litres/min)
Rotation motor*20 cm3
Speed max.200–300 rpm
Torque*100 Nm
Oil flow *15 litres/min (max. 25 litres/min)
Gear ratio47/17
LubricationAir-oil mist, min. 125 g/h
Flushing air pressure5–8 bar
Flushing air flow700-1200 litres/min
Flushing water flow15–30 litres/min
Weight50 kg

41 mm


5 kW

Power class

FR23, FR25, FR28, FR32

Hex 7/8″ x 108 mm

Shank size



*) Rotation torque and oil flow values are for 20 cm³ rotation motor with intermittent pressure of 140 bar. Optional rotation motors 8 cm³, 12.5 cm³, 20 cm³, 32 cm³ and 40 cm³ are available. For professional use only as a component of the hydraulic system.

Feed force (pressure) must be adjustable during operation. Rotation torque and oil flow values given are for a typical rotation motor. See full brochure for detailed information on different rotation motors. Percussion pressure mentioned is a recommended value for a typical application. The product is intended for professional use by skilled personnel. Doofor reserves all rights for changes without prior notice.

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